/*图片轮播区域样式设置*/
.ppt-container {
    width: 500px;
    height: 270px;
    margin: 20px;
    padding: 0px;
    position: relative;
}
/*隐藏效果设置*/
.hide {
    display: none;
}
/*图片样式设置*/
.ppt-container img {
    width: 100%;
    height: 100%;
}
/*按钮总体样式设置*/
button {
    position: absolute;
    margin: 10px;
    border: none;
    outline: none;
    background-color: transparent;
    width: 50px;
    height: 100px;
}
/*按钮1位置设置*/
#btn01 {
    top: 30%;
    left: 0%;
}
/*按钮2位置设置*/
#btn02 {
    top: 30%;
    left: 85%;
}
/*列表元素样式设置*/
ul {
    list-style: none;
    position: relative;
}
/*列表选项元素样式设置*/
li {
    position: absolute;
    top: 0px;
    left: 0px;
    float: left;
    text-align: center;
}
/*段落元素样式设置*/
p {
    position: absolute;
    top: 75%;
    left: 0%;
    width: 100%;
    background-color: rgba(255,255,255,0.8);
    padding: 10px;
    font-family: "微软雅黑 Light";
}